Update cheatsheets

tldr/linux/eog

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# eog
+
+> View and manage images.
+> More information: <https://manned.org/eog>.
+
+- Open an image file:
+
+`eog {{path/to/image.png}}`
+
+- Open multiple images:
+
+`eog {{image1.jpg image2.png ...}}`
+
+- Open images in fullscreen mode:
+
+`eog --fullscreen {{path/to/image.jpg}}`
+
+- Start a slideshow:
+
+`eog --slide-show {{path/to/directory}}`
+
+- Open a single image without image collection:
+
+`eog --single-window {{path/to/image.jpg}}`
+
+- Open an image in a new window instance:
+
+`eog --new-instance {{path/to/image.jpg}}`